Shimano sg8r20 service instructions pdf download manualslib. In addition, do not use any hub dynamos other than function is activated and the liquid crystal display turns off. Hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. Sbc60008 is compatible with roller brakes or vbrake brakes with power.
Shimano nexus 8speed bicycle hub service manualpage 09. Users manuals are describing safety information and procedures for consumers, dealers manual are describing how to assemble and adjust the. View and download shimano nexus inter8 dealers manual online. Shimano nexus internal geared rear hub center lock disc brake o. If the hub is still under warranty, then shimano will replace it in its entirety rather than trying to. Nexus inter8 bicycle accessories pdf manual download.
If you are looking for parts for these hubs contact us. Shimano nexus inter8 dealers manual pdf download manualslib. Page 1 si7bf0b service instructions page 2 the dh3nb1qr and dh3rb1qr hub dynamos are for use will damage the unit surfaces. Shimano nexus 8 speed internally geared hub with roller brake this hub was ridden less than one year in seattle. In the basic instructions below we show the main points for attention. Y00298010 once about every 5,000 km if the bicycle is used very frequently. The nexus 8speed system delivers a high level of design, quality and function.
Shimano sgs501 alfine 8 speed hub this hub was used for about 3 years. Take note of every piece you remove, direction etc. Shimano nexus 8speed hub service manual sheldon brown. In this video, i disassemble and give some tips on lubricating a shimano 3s, a cartridgestyle, threespeed hub from around the 1970s80s. Click here and find out the manuals of shimano products, technical information, safety data sheet of grease and so on.
The standard in internal geared hubs the nexus 8speed system delivers a high level of design, quality and function. Once you know how, it is quite easy, but if youre like me just jumping in without reading the manual, you might struggle with it. Assembly instructions for the shimano nexus alfine 8 speed axle subassembly click here for more detailed, accurate and large cad dawings. Alfine hubs feature fancy features including optional hydraulic disc brakes and electronic shifting. Some parts may not exactly match the drawings or pictures. Maintenance manual maintenance 3, 7, and 8speed disassembly assembly to perform maintenance on the 3, 7, 8speed nexus and 8speed alfine hubs, the internal unit first needs to wb maintenance oil be removed from the hub. How to convert a shimano alfine 8 speed internal gear hub to.
If you opt for doing it yourself, find your hub model and follow your maintenance manual if its a shimano nexus inter3 hub the maintenance should be similar to the 7speed, explained in the dealers manual link above. While turning the hub shell counterclockwise slightly, place it onto the internal assembly. While pushing down carrier unit 2, insert the stop ring into. An in depth look at how the shimano nexus 8 speed internally geared hub works. Our designers have updated the conventional internal hub with a refreshing. What is not available for sale, can be available for authorised bicycle service. You may read shimano nexus 8 speed hub service manual online either download. Gear change support mechanism, using pedaling power for light shifting. How to correctly set the gears on a shimano nexus 8 speed bicycle gear system. Shimano cycling y8jk98010 nexus brim45r left hand washer unit for b. Because the fourspeed hub only gears up, it needs a smaller.
Upgrade your ride with this easy to install, smooth, and durable shimano 3 speed wheel set. Shimano 3s internal gear hub service part 1 youtube. It is also recommended that you use the shimano internal hub grease or lubrication kit when carrying out maintenance. This is a useful procedure if your hub is showing some resistance. Service manual shimano nexus 3speed hub retrocyklo. Attaching the cable to the shimano 8 speed hub is also very tricky if you dont know how. Shimano nexus 8 speed hub service manual squarespace. Shimano published a nexus dealers manual now archived.
The 6miler 8 reasons to love the breezer uptown 8 the 6miler. All i did was loosen the clamp screw, rotate, and retighten. Nexus 3, 5, 7 and 8speed hubs are currently in production as of 2014, the 4speed has been dropped. You can shift gears anytime, while standing still, pedaling or coasting. Hold the two bevelled surfaces of the hub axle on the brake. How to fit the gear cassette to a shimano nexus 7 nexus 8 hub. Also, for carrying out maintenance, the use of shimano internal geared hub grease.
The table of contents below is a clickable image map. Shimano nexus 5speed cl disc brake internal bicycle gear hub sgc70005d. Shimano nexus 8 speed hub service manual pdf free download. How to service a 2012 shimano alfine 8 speed hub and why its not a good idea to dunk the internals in oil when you service it. Shimano nexus 8speed bicycle hub service manualpage 12. Screwdriver left before carrying out disassembly, have ready tl7s20 right the hub spannerstl7s20. Page 2 the dh3nb1qr and dh3rb1qr hub dynamos are for use will damage the unit surfaces. As the name suggests, there are eight gears packed into a hub weighing about 1.
Shimano nexus 8 speed hub reassembly putting it back. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of 2014. How to fit gear cassette to a shimano nexus 7 nexus 8 hub. But what i now notice is that when i am in the low gears, and pedal hard from a dead stop, there is a slippingpoppingjumping noise from the hub. Do not use them with any other roughly 1 minute after stopping the bicycle, the energy saving bicycles. Alfine is a highend product line with 8 and 11speed hubs.
The procedure is relatively straight forward, and if you use widely available atf fluid, it can be very cheap too. Remove the lock nut for left hand cone and the left hand cone with dust cap from the hub axle. Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. Right hand dust cap y34r 98110 grease y041 20600 this completes assembly of the inter8 hub. Check page 8 and see how important are small things, easy to overlook. And this post is mostly about hubs, about whether getting a shimano nexus hub serviced is a good idea, and whether a premium redline nexus hub is actually any better. The series is primarily aimed at the comfort market such as urban commuters and tourers, and as such is not made to withstand the rigours of offroad or mountain biking.
My bike a kettler spirit came with a shimano nexus 8 hub, one of the current sgr831 models, and i had been very happy with that. Shimano nexus internal geared hub disc brake 7speed. Shimano nexus 7speed hub whipower roller brake inter7 hub brim41. View and download shimano sg8r20 service instructions online. Many technical advances have been achieved, like incorporating shimano s unique gear change support mechanism that makes a real low effort shifting. As well, on our site you can read the manuals and another art ebooks online. Shimano nexus is a brand of bicycle components which includes products such as epicyclical gear hubs, cranksets, shifters, brake levers, hub brakes, hub dynamos, and a cpu for automatically changing gears. Shimano nexus internal geared hub roller brake 3speed. Nexus sg8r60 sgc60608r sgc60608v sgc60608c sgc60608d sgc60608cd sgc60618r sgc60618v sgc60618c sgc60618d sgc60618cd scmt800 smbtr1 smbtr2 btdn110 smbmr1 ver. Also, the derailleur has less loss and higher load. Ebike dedicated internal geared hub the nexus inter5e is a revolutionary internal geared hub designed specifically for the unique demands of ebike riding. Shimano nexus service instructions manual pdf download. Shimano nexus sgc30007r 7speed internally geared 36h rear hub shimano sg3d55 universal hub kit nexus 32h 3 speed centerlock disc sturmey archer s2c kickshift hub. Shimano nexus internal geared rear hub roller brake o.
If you bring us your bike we can preemptivly weatherize your hub and avoid expensive repairs. English dmcasg00100 nexus sgc6001 sgc6011 sbc60008 dealers manual road mtb trekking city touring comfort bike urban sport ebike nexus inter8. Sep 03, 2012 here i explain with pictures the stepbystep procedure for converting the shimano alfine 8speed hub to an oil bath, using atf fluid. Go on youtube and look for videos on installing and adjusting the hub. When replacing parts, replace the whole internal assembly or unit part. Many technical advances have been achieved, like incorporating shimanos unique gear change support mechanism that makes a real low effort shifting. Nexus is a family of parts, of which the nexus inter 4 fourspeed hub is one. Shimano had manufactured three speed hubs prior to that, and these hubs were at that point rebranded nexus. Shimano nexus 8 premium hub problem ridemonkey forums.
To do so, i also had to loosen the shift lever set shimano sl8s20. Shimano nexus sg7c26 service manual pdf download manualslib. Shimano nexus internal geared rear hub coaster brake o. Shimano nexus alfine 8 speed axle subassembly instructions. Unfourtunately, the only way to fix this hub is replacement.
I was challenged by my viewers to try to reassemble the shimano nexus 8 speed hub that i disassembled in my last video. If that doesnt dissuade you, then you should know that shimano doesnt generally sell replacement parts. See the instruction sheet for the 11speed hub which covers cassette joint and cable installation. Or, if you need to clean the insides after water has entered the hub. Hold the two bevelled surfaces of the hub axle on the brake arm side in a vice and remove the dust cap with a screwdriver. Neither the shop nor shimano used enough grease and oil for nw weather. Summary of contents for shimano nexus page 1 si7bf0b service instructions. In the early 2000s the 8speed nexus hub gear was introduced, having two stepped planetary series mounted downstream of each other. Users manuals are describing safety information and procedures for consumers, dealers manual are describing how to assemble and adjust the product for primarily professional bicycle mechanics. Shimano nexus internal geared hub coaster brake 8speed.
Bicycle accessories shimano flightdeck sc6500 service instructions manual 26 pages. Feb 07, 2012 the hub is the alfine 8 speed sgg501 i want a service manual, like the one for the older nexus hub linked above, not an exploded parts diagram, not the one sheet of paper tha comes with the new hub showing you how to change cogs but a real service manual. On the 11speed hub, the two dots align in 6th gear. About the only thing that shimano lets you do is change the oil and the bearings. Shimano nexus sg8r20 8speed internally geared hub with roller brake. Shimano sg3d55 universal hub kit nexus 32h 3 speed centerlock disc.
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